From her scandalous photo shoots to her racy Rolling Stonecover, the seksi singer has done pretty much everything to show off her amazing bod, and according to her trainer Mari Winsor, she's worked VERY hard to get into such ab-tastic shape!

You have NO idea how proud we are to have Courtney Barber contributing for FitPerez.com — she's seriously an expert, and just the best at what she does!

And when it comes to getting down to business, she know's what's up!

Check out the video (above) to learn how to maximize your crunches!

So fab!

Courtney is always here to help! Check out her website HERE or facebook HERE and don’t forget to follow her on twitter @CourtneyBFit! And if U wanna know more about crunches OR anything else, U can always email us at Questions@FitPerez.com!!

In the fiery post, Ms. Palmer believes Kylie changed her appearance to gain "society's affection" after fans repeatedly called her "ugly".

Not only does the actress feel this type of bullying is wrong, but she also finds the entire situation grossly ironic considering fans STILL trash the reality star for being fake. It's definitely a lose lose situation, right?!